Willamette Valley DX Club
- Formed in 1955 is an incorporated Amateur Radio club dedicated to the promotion of DX information and operating by members residing in the Willamette Valley and Southwest Washington.
RSQ Signal Rporting for Digital Modes
- This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
WS1SM CW Page
- Wireless Society of Southern Maine CW Page, information on the topic of wireless telegraphy, cw operating, morse code history, telegraph keys, key collecting, code proficiency, learning the morse code, and cw-related links
PSK31 Elmer page and PSK Signal Quality
- Generating clean PSK signals and helping others to correctly tune their souncard output, as well as giving proper RSQ reports by identifying signal quality by N1NKM.
- Implementation of NORAD SGP4/SDP4 algorithms in PHP for determining a satellites location and velocity in Earth orbit. These SGP4/SDP4 models were ported from Predict 2.2.3 written by John A. Magliacane (KD2BD) for the Linux operating system.
- Crystal tester project, crystals are used to control the operating frequency of transmitters, and it is used in radio frequency converters, oscillators, filters for cw, ssb and many other applications.